Finding the Fourth Proportional to 161,723,992.56, 242,611,070.32 and 68,351,357.12
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Solution
The fourth proportional to 161,723,992.56, 242,611,070.32 and 68,351,357.12 is: 102,537,636.17
Step by Step Solution
- Step 1: Write the proportion equation
161,723,992.56 : 242,611,070.32 = 68,351,357.12 : x - Step 2: Convert to fraction form
161,723,992.56/242,611,070.32 = 68,351,357.12/x - Step 3: Cross multiply
161,723,992.56x = 242,611,070.32 × 68,351,357.12 - Step 4: Simplify right side
161,723,992.56x = 16,582,795,908,707,754 - Step 5: Solve for x
x = 16,582,795,908,707,754/161,723,992.56 - Step 6: Final answer
x = 102,537,636.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.